Fiberglass vs Plastic Pergolas
Both fiberglass and plastic pergolas offer the benefit of a low maintenance outdoor structure. There are two types of plastic pergolas currently available, the first and most common is constucted from vinyl(also known as PVC). The second type of plastic pergola is constructed from a material similar to composite decking(Azek or Palite). These are low maintenance materials, however they differ significantly in terms of quality, lifetime and finish. Below is a detailed comparision of these materials.
Fiberglass
* Maintenance free
* Available in any color
* Structural material with free-spans of up to 20'
* Will not mildew, mold or yellow
* One piece CNC rafter tails
Vinyl
* Low maintenance but will mildew and yellow over time
* Non-structural vinyl tubes
* Pressure treated lumber is inserted into the vinyl and can sag, twist and rot
* Available in a limited number of colors
* Snap-on rafter tails
Azek
* Requires bi-annual painting
* Yellows and mildews over time
* Sheets of Azek are glued to either aluminum or lumber for structural support
* Azek will delaminate and fall of over time
* High cost of ownership
Comparison Chart
| Fiberglass | PVC(Vinyl fencing) | C-PVC(Azek) | |
|---|---|---|---|
| Maintenance: | Maintenance free. | Maintenance free. Will yellow & mildew. | Requires bi-annual painting. Will yellow & mildew. |
| Finish: | Available in any color | Limited color options | Limited color options |
| Durability: | Hard industrial coatings. Durable cast fiberglass column bases. | Scratches easily. Plastic post bases break easily | Azek delaminates and fall off over time |
| Lifespan: | Designed to last a minimum of 15 years | Minimum of 5 years | Minimum of 5 years |
| Structural Properties: | Structural fiberglass pultrusions will not sag or warp. | Structural pressure treated core. Prone to sagging and warping. | Structural pressure treated core. Prone to sagging and warping. |
Azek Pergola Fail
Mildew
This Azek pergola was poorly constructed. It experienced yellowing, excessive rot and sagging as a result of the manufacturer cutting corners.
Beams
This what the main structural support beam looked like when the Azek fell off and the remainder was removed.
Baldwin to the rescue!
The client's contractor reached out to us and we replaced the existing structure with a fiberglass pergola that will last for years to come.
Testimonials
Charlie NicolaMax - Thanks for the instructions on assembling the pergola - went together nicely and looks great in our small back yard! Regards, Charlie
John MitchellThe finished pergola is stunning. We've already received many complements.
Duane DottaWe are extremely pleased. If there is any picture that I haven't taken and you need one a special way, Don't hesitate to call or write. Max made everything easy for us, make sure he sees these pictures.
Michael & Maria D'AmbroseThe pergola has truly transformed our backyard into an outdoor paradise! We enjoy the hot tub every night. The privacy wall and beautiful drapery makes our pergola a wonderful enclosed outdoor room.
Jared AsweganDear Max, It's funny what can happen when the three stooges set out to erect a pergola. While we were ultimately successful, the process was a bit dodgy. Of course, had we curtailed our enthusiasm and actually READ the instructions first, it would have gone a lot easier. What ever damage was done was easily mended thanks to wood glue, a couple of hidden screws and some touch up paint. I couldn't be happier with your fantastic work. From the beginning to the end of the process it was so easy, and I have admit, the pool area is so much improved with this addition. Absolutely PERFECT. I'll send photos next time the sun is out. Oh yeah, we built it in the rain and it only took about four and a half hours. Many MANY Thanks!
Joe HollandThe Pergola is GREAT! What a difference it makes to the house ... inside and out. The height (for this sized Pergola) seems like it is matched up perfectly. The effect is a room outside the house. Let's see how many 'Wow's' we get Friday night. You should have left some of your business cards. My daughter (Sarah) loved the butterfly joint!
Carla AvilaHi Max- everyone loves the pergola - its really great--thank you. And the chairs are so comfortable.
Elizabeth CarneyDear Max, Thanks again. We love the pergola. It's beautiful. We hope everything goes well for you.
Pat D'AuriaWe have gotten lots of compliments for our pergola and we love it.
John EndicottOne of these days, I may be back in touch about a second pergola for the patio in front of my house. I am quite happy with the one you built here, which we use a lot in the summer.
"First, man defines his architecture. Forever after, his architecture defines him."
It's been a tremendous honor to design and build these fantastic structures for our customers. We look forward to upcoming challenges and the beauty they bless us with.
© 2025 Baldwin Pergolas, Baldwin Lawn Furniture.